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 ###Instrução: Quantos PIBs até 2012, após os valores de PPP, estão associados a um valor de 23113 em 2012?
 ###Tabelas: CREATE TABLE per_capita_gdp (per_capita_gdp_id AUTO_INCREMENT PRIMARY KEY, Economy VARCHAR, 1980 INT, Gap from Thailand as of 1980 (times) VARCHAR, 1985 INT, 1990 INT, 1995 INT, 2000 INT, 2005 INT, 2010 INT, 2012 INT, Gap from Thailand as of 2012 (times) VARCHAR, GDP as of 2012 after purchasing power parity (PPP) calculations (USD billions) VARCHAR, GDP per capita as of 2012 (PPP) INT) CREATE TABLE overall_medal_tally (overall_medal_tally_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Gold VARCHAR, Silver VARCHAR, Bronze VARCHAR, Total VARCHAR) CREATE TABLE senate_composition_before_the_elections (senate_composition_before_the_elections_id AUTO_INCREMENT PRIMARY KEY, D 48 VARCHAR, D 47 VARCHAR, D 46 VARCHAR, D 45 VARCHAR, D 44 VARCHAR, D 43 VARCHAR, D 42 VARCHAR, D 41 VARCHAR) CREATE TABLE nintendo_64 (nintendo_64_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Current version VARCHAR, System VARCHAR, Platform VARCHAR, License VARCHAR) CREATE TABLE former_judges (former_judges_id AUTO_INCREMENT PRIMARY KEY, Judge VARCHAR, State VARCHAR, Born/Died VARCHAR, Active service VARCHAR, Chief Judge VARCHAR, Senior status VARCHAR, Appointed by VARCHAR, Reason for termination VARCHAR)  
SELECT COUNT GDP as of 2012 after purchasing power parity (PPP) calculations (USD billions) FROM per_capita_gdp WHERE 2012 = 23113